speeds of light

A form of speed of light — The speed of electromagnetic radiation, which in a perfect vacuum is equivalent to 299,792,458 metres per second.

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Meanings

noun
  1. pluralplural of speed of light
Cite this entry
APA

speeds of light. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/speeds%20of%20light

MLA

“speeds of light.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/speeds%20of%20light. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “speeds of light,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/speeds%20of%20light.

Source: speeds of light on Wiktionary, CC BY-SA 4.0.